COMPANYBLOOD PRESSURE PRODUCTMethod
Nanowear Inc.Simple-Senseultrasound, ppg,ekg
Vena Vitalsbp skin patch and bandapplanation ?
Texas AM- College StationGraphene electrode tattoobioimpedence
UCSDpatchultrasound
AktiiaoBPMoptical sensor on wrist
SamsungGalaxy 9 optical sensorMy BP Lab
Sensogram TechnologiesSensotrack, ring andscanEarlobe or fingerscan-PPG
Health Stats International PE LtdA-Pulse Central Aortic Systolic BPwrist band-PW
Michigan State Universityc fingertip bp monitorSmart phone casing measures via oscillometric finger pressing
Sotera Wireless ref1 xref2 cNIBPwrist band -pTT
Bio BeatWrist and Chest Attachment Devicesphotoplethysmography and PWTT
CardieX-BLUMIOArm band radar basedPWT from 2 points on arm
BOLD diagnostics    Lt and Rt blue tooth wrist bandsdelta (lt-rt) PWT
Aidar Health SPO2,3 lead ecg, RR, Temp and BP MouthLab devicedelta (lt thumb – upper lip) PWT
Tensys Medicalapplanation
Viatom TechCheck Mepulse wave
TacSenseFootware
EdwardsClearsight systemvolume clamping
CNSystemsCNAP HDvolume clamping
ValencellSensor
Binah.aibvuefacial recognition
CharmcareH2-BP H2-PM
OmronHeartguardWrist watch
AppleiWatch + airpods
PPG + EKG + ?
MicrosoftWrist watch
Johnson and JohnsonWrist watch
Alphabet : Verily
Fitbit
Nest
Fit Bit WatchWrist watch
Rockley PhotonicsBioptx wrist bandWrist Band
AmazonHalo Fit Wrist Watch/BandWrist watch
MobvoiWatchWrist watch
Level42 AIImpulse TorECG with stethoscope -infrasounds

Noninvasive (continuous or intermittent) blood pressure measurements use volume clamping, applanation tonometery, pulse transit time, pulse wave velocity, radar, doppler-blood flow, echography, photoacoustics, bioimpedence, ultrasound, spectro-photometry, ballistocardiography, ECG and/or photoplethysmography .—Goto Cuff Based Solutions

References

Cuffless Blood Pressure Measurement | Annual Review of Biomedical Engineering (annualreviews.org)

Smartphone-based blood pressure monitoring via the oscillometric finger-pressing method | Science Translational Medicine

The Microsoft Research Aurora Project: Important Findings on Cuffless Blood Pressure Measurement | Hypertension (ahajournals.org)

Cuffless blood pressure measuring devices: review and statem… : Journal of Hypertension (lww.com)

The Promise and Illusion of Continuous, Cuffless Blood Pressure Monitoring | Current Cardiology Reports (springer.com)